Never watched this but....

Not really..LOST, for all its flaws, is more warm and fuzzy.

In other words most people that like LOST would probably say that it had a lot of likable characters and has a tendency to hook and invest you in the first season. And even with some of the outlandish plot points it still remains pretty easy to follow for the first several seasons.
Whereas Westworld feels a little bankrupt with its moral ambiguity..I was never sure if I liked any of the characters and I never felt like I knew exactly what was going on..And not always in a good, intriguing way...

But I quit watching..Maybe Westworld has improved?

Never seen that Westworld thing, but there's nothing pretentious about Lost, so I doubt it.

How can you not have seen Lost yet anyway? It's 2019 ffs.

The only thing similar would be that JJ Abrams was involved with both. I also don´t think Lost is pretentious, in fact I think the show was too popular to be called that.

Lost is about nothing.

It's a cynical show, like X-Files, designed to string you along and watch commercials. That's what a "soap opera" is. They were called that because they are pointless stories designed to sell "soap" to women via commercials.

I figured this out quickly.

After that, I used to watch the show as a comedy! It's a comical show because the writers are liars and it's all just filler. But, it's creative and wacky filler, so it's funny.